SpamAssassin is available with every Lotusarts hosting plan. It is a spam utility that sets a score on incoming emails at server level (0 to 10). This means that emails are analyzed before they are delivered to your inbox. When you enable SpamAssassin, the default score is set to 5, which means that any email that is scored 5 and up will be tagged as spam.
To set up SpamAssassin, you can follow the officiel cPanel documentation below: